#1173: add configuration variables for fcontext

DARMA-tasking · Feb 1, 2021 · cf5ec1a · cf5ec1a
1 parent f166c59
commit cf5ec1a
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Showing 30 changed files with 48 additions and 2 deletions.
diff --git a/ci/azure/azure-clang-3.9-ubuntu-mpich.yml b/ci/azure/azure-clang-3.9-ubuntu-mpich.yml
@@ -39,6 +39,7 @@ variables:
   VT_POOL: 1
   VT_EXTENDED_TESTS: 1
   VT_UNITY_BUILD: 1
+  VT_FCONTEXT: 1
   VT_USE_OPENMP: 0
   VT_USE_STD_THREAD: 0
   VT_ZOLTAN: 0

diff --git a/ci/azure/azure-clang-5.0-ubuntu-mpich.yml b/ci/azure/azure-clang-5.0-ubuntu-mpich.yml
@@ -39,6 +39,7 @@ variables:
   VT_POOL: 1
   VT_EXTENDED_TESTS: 1
   VT_UNITY_BUILD: 1
+  VT_FCONTEXT: 0
   VT_USE_OPENMP: 0
   VT_USE_STD_THREAD: 1
   VT_ZOLTAN: 0

diff --git a/ci/azure/azure-clang-8-alpine-mpich.yml b/ci/azure/azure-clang-8-alpine-mpich.yml
@@ -39,6 +39,7 @@ variables:
   VT_POOL: 1
   VT_EXTENDED_TESTS: 1
   VT_UNITY_BUILD: 1
+  VT_FCONTEXT: 0
   VT_USE_OPENMP: 0
   VT_USE_STD_THREAD: 0
   VT_ZOLTAN: 0

diff --git a/ci/azure/azure-gcc-10-ubuntu-openmpi.yml b/ci/azure/azure-gcc-10-ubuntu-openmpi.yml
@@ -39,6 +39,7 @@ variables:
   VT_POOL: 1
   VT_EXTENDED_TESTS: 1
   VT_UNITY_BUILD: 1
+  VT_FCONTEXT: 0
   VT_USE_OPENMP: 0
   VT_USE_STD_THREAD: 0
   VT_ZOLTAN: 0

diff --git a/ci/azure/azure-gcc-5-ubuntu-mpich.yml b/ci/azure/azure-gcc-5-ubuntu-mpich.yml
@@ -39,6 +39,7 @@ variables:
   VT_POOL: 1
   VT_EXTENDED_TESTS: 1
   VT_UNITY_BUILD: 1
+  VT_FCONTEXT: 0
   VT_USE_OPENMP: 1
   VT_USE_STD_THREAD: 0
   VT_ZOLTAN: 0

diff --git a/ci/azure/azure-gcc-6-ubuntu-mpich.yml b/ci/azure/azure-gcc-6-ubuntu-mpich.yml
@@ -39,6 +39,7 @@ variables:
   VT_POOL: 1
   VT_EXTENDED_TESTS: 1
   VT_UNITY_BUILD: 1
+  VT_FCONTEXT: 1
   VT_USE_OPENMP: 0
   VT_USE_STD_THREAD: 0
   VT_ZOLTAN: 0

diff --git a/ci/azure/azure-gcc-7-ubuntu-mpich.yml b/ci/azure/azure-gcc-7-ubuntu-mpich.yml
@@ -39,6 +39,7 @@ variables:
   VT_POOL: 1
   VT_EXTENDED_TESTS: 1
   VT_UNITY_BUILD: 1
+  VT_FCONTEXT: 0
   VT_USE_OPENMP: 0
   VT_USE_STD_THREAD: 0
   VT_ZOLTAN: 0

diff --git a/ci/azure/azure-gcc-8-ubuntu-mpich.yml b/ci/azure/azure-gcc-8-ubuntu-mpich.yml
@@ -39,6 +39,7 @@ variables:
   VT_POOL: 0
   VT_EXTENDED_TESTS: 1
   VT_UNITY_BUILD: 1
+  VT_FCONTEXT: 0
   VT_USE_OPENMP: 0
   VT_USE_STD_THREAD: 0
   VT_ZOLTAN: 0

diff --git a/ci/azure/azure-gcc-9-ubuntu-mpich.yml b/ci/azure/azure-gcc-9-ubuntu-mpich.yml
@@ -39,6 +39,7 @@ variables:
   VT_POOL: 1
   VT_EXTENDED_TESTS: 1
   VT_UNITY_BUILD: 1
+  VT_FCONTEXT: 0
   VT_USE_OPENMP: 0
   VT_USE_STD_THREAD: 0
   VT_ZOLTAN: 1

diff --git a/ci/azure/azure-intel-18-ubuntu-mpich-extended.yml b/ci/azure/azure-intel-18-ubuntu-mpich-extended.yml
@@ -33,6 +33,7 @@ variables:
   VT_POOL: 0
   VT_EXTENDED_TESTS: 1
   VT_UNITY_BUILD: 1
+  VT_FCONTEXT: 0
   VT_USE_OPENMP: 0
   VT_USE_STD_THREAD: 0
   VT_ZOLTAN: 0

diff --git a/ci/azure/azure-intel-18-ubuntu-mpich.yml b/ci/azure/azure-intel-18-ubuntu-mpich.yml
@@ -39,6 +39,7 @@ variables:
   VT_POOL: 0
   VT_EXTENDED_TESTS: 0
   VT_UNITY_BUILD: 1
+  VT_FCONTEXT: 0
   VT_USE_OPENMP: 0
   VT_USE_STD_THREAD: 0
   VT_ZOLTAN: 0

diff --git a/ci/azure/azure-intel-19-ubuntu-mpich.yml b/ci/azure/azure-intel-19-ubuntu-mpich.yml
@@ -39,6 +39,7 @@ variables:
   VT_POOL: 0
   VT_EXTENDED_TESTS: 0
   VT_UNITY_BUILD: 1
+  VT_FCONTEXT: 0
   VT_USE_OPENMP: 0
   VT_USE_STD_THREAD: 0
   VT_ZOLTAN: 0

diff --git a/ci/azure/azure-nvidia-10-ubuntu-mpich-extended.yml b/ci/azure/azure-nvidia-10-ubuntu-mpich-extended.yml
@@ -33,6 +33,7 @@ variables:
   VT_POOL: 0
   VT_EXTENDED_TESTS: 1
   VT_UNITY_BUILD: 1
+  VT_FCONTEXT: 0
   VT_USE_OPENMP: 0
   VT_USE_STD_THREAD: 0
   VT_ZOLTAN: 0

diff --git a/ci/azure/azure-nvidia-10-ubuntu-mpich.yml b/ci/azure/azure-nvidia-10-ubuntu-mpich.yml
@@ -39,6 +39,7 @@ variables:
   VT_POOL: 0
   VT_EXTENDED_TESTS: 0
   VT_UNITY_BUILD: 1
+  VT_FCONTEXT: 0
   VT_USE_OPENMP: 0
   VT_USE_STD_THREAD: 0
   VT_ZOLTAN: 0

diff --git a/ci/azure/azure-nvidia-11-ubuntu-mpich-extended.yml b/ci/azure/azure-nvidia-11-ubuntu-mpich-extended.yml
@@ -33,6 +33,7 @@ variables:
   VT_POOL: 0
   VT_EXTENDED_TESTS: 1
   VT_UNITY_BUILD: 1
+  VT_FCONTEXT: 0
   VT_USE_OPENMP: 0
   VT_USE_STD_THREAD: 0
   VT_ZOLTAN: 0

diff --git a/ci/azure/azure-nvidia-11-ubuntu-mpich.yml b/ci/azure/azure-nvidia-11-ubuntu-mpich.yml
@@ -39,6 +39,7 @@ variables:
   VT_POOL: 0
   VT_EXTENDED_TESTS: 0
   VT_UNITY_BUILD: 1
+  VT_FCONTEXT: 0
   VT_USE_OPENMP: 0
   VT_USE_STD_THREAD: 0
   VT_ZOLTAN: 0

diff --git a/ci/build_cpp.sh b/ci/build_cpp.sh
@@ -110,6 +110,7 @@ cmake -G "${CMAKE_GENERATOR:-Ninja}" \
       -Dvt_diagnostics_enabled="${VT_DIAGNOSTICS_ENABLED:-1}" \
       -Dvt_diagnostics_runtime_enabled="${VT_DIAGNOSTICS_RUNTIME_ENABLED:-0}" \
       -Dzoltan_DIR="${ZOLTAN_CONFIG:-}" \
+      -Dvt_fcontext_enabled="${VT_FCONTEXT_ENABLED:-0}" \
       -DUSE_OPENMP="${VT_USE_OPENMP:-0}" \
       -DUSE_STD_THREAD="${VT_USE_STD_THREAD:-0}" \
       -DCODE_COVERAGE="${CODE_COVERAGE:-0}" \

diff --git a/ci/docker/alpine-cpp.dockerfile b/ci/docker/alpine-cpp.dockerfile
@@ -29,6 +29,7 @@ ARG VT_DOXYGEN_ENABLED
 ARG VT_ASAN_ENABLED
 ARG VT_WERROR_ENABLED
 ARG VT_POOL_ENABLED
+ARG VT_FCONTEXT_ENABLED
 ARG VT_USE_OPENMP
 ARG VT_USE_STD_THREAD
 ARG CMAKE_BUILD_TYPE
@@ -41,6 +42,7 @@ ENV VT_LB_ENABLED=${VT_LB_ENABLED} \
     VT_ASAN_ENABLED=${VT_ASAN_ENABLED} \
     VT_WERROR_ENABLED=${VT_WERROR_ENABLED} \
     VT_POOL_ENABLED=${VT_POOL_ENABLED} \
+    VT_FCONTEXT_ENABLED=${VT_FCONTEXT_ENABLED} \
     VT_USE_OPENMP=${VT_USE_OPENMP} \
     VT_USE_STD_THREAD=${VT_USE_STD_THREAD} \
     CMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE}

diff --git a/ci/docker/ubuntu-18.04-clang-cpp.dockerfile b/ci/docker/ubuntu-18.04-clang-cpp.dockerfile
@@ -63,6 +63,7 @@ ARG VT_WERROR_ENABLED
 ARG VT_POOL_ENABLED
 ARG CMAKE_BUILD_TYPE
 ARG VT_EXTENDED_TESTS_ENABLED
+ARG VT_FCONTEXT_ENABLED
 ARG VT_USE_OPENMP
 ARG VT_USE_STD_THREAD
 
@@ -76,6 +77,7 @@ ENV VT_LB_ENABLED=${VT_LB_ENABLED} \
     VT_POOL_ENABLED=${VT_POOL_ENABLED} \
     VT_MPI_GUARD_ENABLED=${VT_MPI_GUARD_ENABLED} \
     VT_EXTENDED_TESTS_ENABLED=${VT_EXTENDED_TESTS_ENABLED} \
+    VT_FCONTEXT_ENABLED=${VT_FCONTEXT_ENABLED} \
     VT_UNITY_BUILD_ENABLED=${VT_UNITY_BUILD_ENABLED} \
     VT_USE_OPENMP=${VT_USE_OPENMP} \
     VT_USE_STD_THREAD=${VT_USE_STD_THREAD} \

diff --git a/ci/docker/ubuntu-18.04-gnu-cpp.dockerfile b/ci/docker/ubuntu-18.04-gnu-cpp.dockerfile
@@ -89,6 +89,7 @@ ARG VT_POOL_ENABLED
 ARG VT_ZOLTAN_ENABLED
 ARG CMAKE_BUILD_TYPE
 ARG VT_EXTENDED_TESTS_ENABLED
+ARG VT_FCONTEXT_ENABLED
 ARG VT_USE_OPENMP
 ARG VT_USE_STD_THREAD
 
@@ -104,6 +105,7 @@ ENV VT_LB_ENABLED=${VT_LB_ENABLED} \
     VT_ZOLTAN_ENABLED=${VT_ZOLTAN_ENABLED} \
     VT_EXTENDED_TESTS_ENABLED=${VT_EXTENDED_TESTS_ENABLED} \
     VT_UNITY_BUILD_ENABLED=${VT_UNITY_BUILD_ENABLED} \
+    VT_FCONTEXT_ENABLED=${VT_FCONTEXT_ENABLED} \
     VT_USE_OPENMP=${VT_USE_OPENMP} \
     VT_USE_STD_THREAD=${VT_USE_STD_THREAD} \
     VT_DIAGNOSTICS_ENABLED=${VT_DIAGNOSTICS_ENABLED} \

diff --git a/ci/docker/ubuntu-18.04-gnu-docs.dockerfile b/ci/docker/ubuntu-18.04-gnu-docs.dockerfile
@@ -54,6 +54,7 @@ ARG VT_WERROR_ENABLED
 ARG VT_POOL_ENABLED
 ARG CMAKE_BUILD_TYPE
 ARG VT_EXTENDED_TESTS_ENABLED
+ARG VT_FCONTEXT_ENABLED
 ARG VT_USE_OPENMP
 ARG VT_USE_STD_THREAD
 
@@ -67,6 +68,7 @@ ENV VT_LB_ENABLED=${VT_LB_ENABLED} \
     VT_POOL_ENABLED=${VT_POOL_ENABLED} \
     VT_MPI_GUARD_ENABLED=${VT_MPI_GUARD_ENABLED} \
     VT_EXTENDED_TESTS_ENABLED=${VT_EXTENDED_TESTS_ENABLED} \
+    VT_FCONTEXT_ENABLED=${VT_FCONTEXT_ENABLED} \
     VT_USE_OPENMP=${VT_USE_OPENMP} \
     VT_USE_STD_THREAD=${VT_USE_STD_THREAD} \
     VT_DIAGNOSTICS_ENABLED=${VT_DIAGNOSTICS_ENABLED} \

diff --git a/ci/docker/ubuntu-18.04-intel-cpp.dockerfile b/ci/docker/ubuntu-18.04-intel-cpp.dockerfile
@@ -61,6 +61,7 @@ ARG VT_DOXYGEN_ENABLED
 ARG VT_ASAN_ENABLED
 ARG VT_WERROR_ENABLED
 ARG VT_POOL_ENABLED
+ARG VT_FCONTEXT_ENABLED
 ARG VT_USE_OPENMP
 ARG VT_USE_STD_THREAD
 ARG CMAKE_BUILD_TYPE
@@ -77,6 +78,7 @@ ENV VT_LB_ENABLED=${VT_LB_ENABLED} \
     VT_MPI_GUARD_ENABLED=${VT_MPI_GUARD_ENABLED} \
     VT_EXTENDED_TESTS_ENABLED=${VT_EXTENDED_TESTS_ENABLED} \
     VT_UNITY_BUILD_ENABLED=${VT_UNITY_BUILD_ENABLED} \
+    VT_FCONTEXT_ENABLED=${VT_FCONTEXT_ENABLED} \
     VT_USE_OPENMP=${VT_USE_OPENMP} \
     VT_USE_STD_THREAD=${VT_USE_STD_THREAD} \
     VT_DIAGNOSTICS_ENABLED=${VT_DIAGNOSTICS_ENABLED} \

diff --git a/ci/docker/ubuntu-18.04-nvidia-cpp.dockerfile b/ci/docker/ubuntu-18.04-nvidia-cpp.dockerfile
@@ -92,6 +92,7 @@ ARG VT_WERROR_ENABLED
 ARG VT_POOL_ENABLED
 ARG CMAKE_BUILD_TYPE
 ARG VT_EXTENDED_TESTS_ENABLED
+ARG VT_FCONTEXT_ENABLED
 ARG VT_USE_OPENMP
 ARG VT_USE_STD_THREAD
 
@@ -105,6 +106,7 @@ ENV VT_LB_ENABLED=${VT_LB_ENABLED} \
     VT_POOL_ENABLED=${VT_POOL_ENABLED} \
     VT_EXTENDED_TESTS_ENABLED=${VT_EXTENDED_TESTS_ENABLED} \
     VT_UNITY_BUILD_ENABLED=${VT_UNITY_BUILD_ENABLED} \
+    VT_FCONTEXT_ENABLED=${VT_FCONTEXT_ENABLED} \
     VT_USE_OPENMP=${VT_USE_OPENMP} \
     VT_USE_STD_THREAD=${VT_USE_STD_THREAD} \
     VT_DIAGNOSTICS_ENABLED=${VT_DIAGNOSTICS_ENABLED} \

diff --git a/ci/docker/ubuntu-20.04-clang-cpp.dockerfile b/ci/docker/ubuntu-20.04-clang-cpp.dockerfile
@@ -61,6 +61,7 @@ ARG VT_DOXYGEN_ENABLED
 ARG VT_ASAN_ENABLED
 ARG VT_WERROR_ENABLED
 ARG VT_POOL_ENABLED
+ARG VT_FCONTEXT_ENABLED
 ARG VT_USE_OPENMP
 ARG VT_USE_STD_THREAD
 ARG CMAKE_BUILD_TYPE
@@ -77,6 +78,7 @@ ENV VT_LB_ENABLED=${VT_LB_ENABLED} \
     VT_MPI_GUARD_ENABLED=${VT_MPI_GUARD_ENABLED} \
     VT_EXTENDED_TESTS_ENABLED=${VT_EXTENDED_TESTS_ENABLED} \
     VT_UNITY_BUILD_ENABLED=${VT_UNITY_BUILD_ENABLED} \
+    VT_FCONTEXT_ENABLED=${VT_FCONTEXT_ENABLED} \
     VT_USE_OPENMP=${VT_USE_OPENMP} \
     VT_USE_STD_THREAD=${VT_USE_STD_THREAD} \
     VT_DIAGNOSTICS_ENABLED=${VT_DIAGNOSTICS_ENABLED} \

diff --git a/ci/docker/ubuntu-20.04-gnu-cpp.dockerfile b/ci/docker/ubuntu-20.04-gnu-cpp.dockerfile
@@ -83,6 +83,7 @@ ARG VT_POOL_ENABLED
 ARG VT_ZOLTAN_ENABLED
 ARG CMAKE_BUILD_TYPE
 ARG VT_EXTENDED_TESTS_ENABLED
+ARG VT_FCONTEXT_ENABLED
 ARG VT_USE_OPENMP
 ARG VT_USE_STD_THREAD
 
@@ -98,6 +99,7 @@ ENV VT_LB_ENABLED=${VT_LB_ENABLED} \
     VT_ZOLTAN_ENABLED=${VT_ZOLTAN_ENABLED} \
     VT_EXTENDED_TESTS_ENABLED=${VT_EXTENDED_TESTS_ENABLED} \
     VT_UNITY_BUILD_ENABLED=${VT_UNITY_BUILD_ENABLED} \
+    VT_FCONTEXT_ENABLED=${VT_FCONTEXT_ENABLED} \
     VT_USE_OPENMP=${VT_USE_OPENMP} \
     VT_USE_STD_THREAD=${VT_USE_STD_THREAD} \
     VT_DIAGNOSTICS_ENABLED=${VT_DIAGNOSTICS_ENABLED} \

diff --git a/ci/docker/ubuntu-20.04-gnu-openmpi-cpp.dockerfile b/ci/docker/ubuntu-20.04-gnu-openmpi-cpp.dockerfile
@@ -85,6 +85,7 @@ ARG VT_ASAN_ENABLED
 ARG VT_WERROR_ENABLED
 ARG VT_POOL_ENABLED
 ARG VT_ZOLTAN_ENABLED
+ARG VT_FCONTEXT_ENABLED
 ARG VT_USE_OPENMP
 ARG VT_USE_STD_THREAD
 ARG CMAKE_BUILD_TYPE
@@ -102,6 +103,7 @@ ENV VT_LB_ENABLED=${VT_LB_ENABLED} \
     VT_ZOLTAN_ENABLED=${VT_ZOLTAN_ENABLED} \
     VT_EXTENDED_TESTS_ENABLED=${VT_EXTENDED_TESTS_ENABLED} \
     VT_UNITY_BUILD_ENABLED=${VT_UNITY_BUILD_ENABLED} \
+    VT_FCONTEXT_ENABLED=${VT_FCONTEXT_ENABLED} \
     VT_USE_OPENMP=${VT_USE_OPENMP} \
     VT_USE_STD_THREAD=${VT_USE_STD_THREAD} \
     VT_DIAGNOSTICS_ENABLED=${VT_DIAGNOSTICS_ENABLED} \

diff --git a/docker-compose.yml b/docker-compose.yml
@@ -30,8 +30,9 @@
 #   VT_EXTENDED_TESTS=1       # Build all the extended testing
 #   VT_ZOLTAN=0               # Build with Zoltan enabled
 #   VT_UNITY_BUILD=0          # Build with Unity/Jumbo mode enabled
-#   VT_USE_OPENMP             # Force use of OpenMP for threading
-#   VT_USE_STD_THREAD         # Force use of std::thread for threading
+#   VT_FCONTEXT=0             # Force use of fcontext for threading
+#   VT_USE_OPENMP=0           # Force use of OpenMP for threading
+#   VT_USE_STD_THREAD=0       # Force use of std::thread for threading
 #   VT_DIAGNOSTICS=1          # Build with diagnostics enabled
 #   VT_DIAGNOSTICS_RUNTIME=0  # Enable diagnostics collection at runtime by default
 #   BUILD_TYPE=release        # CMake build type
@@ -130,6 +131,7 @@ x-vtopts: &vtopts
   VT_POOL_ENABLED: ${VT_POOL:-1}
   VT_ZOLTAN_ENABLED: ${VT_ZOLTAN:-0}
   VT_UNITY_BUILD_ENABLED: ${VT_UNITY_BUILD:-0}
+  VT_FCONTEXT_ENABLED: ${VT_FCONTEXT:-0}
   VT_USE_OPENMP: ${VT_USE_OPENMP:-0}
   VT_USE_STD_THREAD: ${VT_USE_STD_THREAD:-0}
   VT_DIAGNOSTICS_ENABLED: ${VT_DIAGNOSTICS:-1}

diff --git a/docs/md/building.md b/docs/md/building.md
@@ -60,6 +60,7 @@ build configuration:
 | `vt_priority_bits_per_level`     | 3               | Number of bits per level of priority in envelope |
 | `vt_build_extended_tests`        | 1               | Build with full, extended testing |
 | `vt_unity_build_enabled`         | 0               | Build with Unity/Jumbo mode enabled (requires CMake >= 3.16) |
+| `vt_fcontext_enabled`            | 1               | Force use of fcontext for threading |
 | `CODE_COVERAGE`                  | 0               | Enable code coverage for VT examples/tests |
 | `USE_OPENMP`                     | 0               | Force use of OpenMP for threading |
 | `USE_STD_THREAD`                 | 0               | Force use of std::thread for threading |
@@ -86,6 +87,7 @@ parameters.
 | `VT_ASAN_ENABLED `               | 0               | Enable building with address sanitizer |
 | `VT_WERROR_ENABLED `             | 0               | Treat all warnings as errors |
 | `VT_POOL_ENABLED `               | 1               | Use memory pool in *vt* for message allocation |
+| `VT_FCONTEXT_ENABLED`            | 0               | Force use of fcontext for threading |
 | `VT_USE_OPENMP`                  | 0               | Force use of OpenMP for threading |
 | `VT_USE_STD_THREAD`              | 0               | Force use of std::thread for threading |
 | `VT_ZOLTAN_ENABLED `             | 0               | Build with Zoltan enabled for `ZoltanLB` support |
@@ -156,6 +158,9 @@ which `docker-compose` will read.
 #   VT_EXTENDED_TESTS=1       # Build all the extended testing
 #   VT_ZOLTAN=0               # Build with Zoltan enabled
 #   VT_UNITY_BUILD=0          # Build with Unity/Jumbo mode enabled
+#   VT_FCONTEXT=0             # Force use of fcontext for threading
+#   VT_USE_OPENMP=0           # Force use of OpenMP for threading
+#   VT_USE_STD_THREAD=0       # Force use of std::thread for threading
 #   VT_DIAGNOSTICS=1          # Build with diagnostics enabled
 #   VT_DIAGNOSTICS_RUNTIME=0  # Enable diagnostics at runtime by default
 #   BUILD_TYPE=release        # CMake build type

diff --git a/scripts/azure-workflow-template.yml b/scripts/azure-workflow-template.yml
@@ -29,6 +29,7 @@ variables:
   VT_POOL: [% vt_pool %]
   VT_EXTENDED_TESTS: [% vt_extended_tests %]
   VT_UNITY_BUILD: [% vt_unity_build %]
+  VT_FCONTEXT: [% vt_fcontext %]
   VT_USE_OPENMP: [% vt_use_openmp %]
   VT_USE_STD_THREAD: [% vt_use_std_thread %]
   VT_ZOLTAN: [% vt_zoltan %]

diff --git a/scripts/workflows-azure.ini b/scripts/workflows-azure.ini
@@ -10,6 +10,7 @@ vt_werror = 1
 vt_pool = 1
 vt_extended_tests = 1
 vt_unity_build = 1
+vt_fcontext = 0
 vt_use_openmp = 0
 vt_use_std_thread = 0
 vt_zoltan = 0
@@ -136,6 +137,7 @@ test_configuration = "gcc-6, ubuntu, mpich"
 compiler_type = gnu
 compiler = gcc-6
 output_name = ci/azure/azure-gcc-6-ubuntu-mpich.yml
+vt_fcontext = 1
 
 [PR-tests-gcc-7]
 test_configuration = "gcc-7, ubuntu, mpich, trace runtime, LB"
@@ -179,6 +181,7 @@ test_configuration = "clang-3.9, ubuntu, mpich"
 compiler_type = clang
 compiler = clang-3.9
 output_name = ci/azure/azure-clang-3.9-ubuntu-mpich.yml
+vt_fcontext = 1
 
 [PR-tests-clang-5]
 test_configuration = "clang-5.0, ubuntu, mpich"